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The M3902 Ultrasonic Flow Meter Features:
- Employs doppler technology; the flowmeter uses piezo-electric transducers to transmit and receive an acoustic signal reflected off discontinuities in a liquid flow stream
- This technology provides the following benefits:
- No cost installation- just strap transducer around outside of pipe
- Systems do not need to be shut down for periodic or portable measurement
- Chiller systems may be balanced in a fraction of the time
- Can be used on a range of liquids from waste streams to clean water systems
- Microprocessor allows simple calibrated set-up for pipe diameter so that the meter will readout in volumetric total, ie GPM
The doppler ultrasonic flowmeter utilizes a clamp-on, piezoelectric, trans-ducer to transmit ultrasound through a pipe wall and into a flowing liquid. The ultrasonic signal is reflected from suspended solids or entrained gases drawn out of solution. (Entrained gases are drawn out of solution by a hydraulic disturbance such as 90° elbow.) A second transducer receives the reflected sound and the meter’s circuitry compares the transmitted and received frequencies. If the liquid is moving, a frequency shift occurs which is proportional to fluid velocity. The signal processor converts this frequency shift to fluid velocity and allows the rate to be displayed in a variety of user selectable units.
| Specifications | Meter Specifications:Velocity: 0.5 - 20 FPS (0.15 - 6.08 MPS) Transducer SpecificationsLiquid Requirements: 25 ppm of 30 micron size* suspended solids or entrained gases (air). *Less than this minimum will require transducer mount downstream of a 90° elbow
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| Shipping Weight | 25.0000 |
| Power Supply | Internal rechargeable lead acid gel cell battery |
| Manufacturer | Dynasonics |
| MPN | D904-A1NA-NN |
| Mitchell Catalog Number | 7LM3902LC,8LM3902LC,9LM3902LC,WBM3902LC, KNOWURFLO |